LASCO 06-9123 Angle Stop Adapter Tee for 3/8-Inch OD Compression x 3/8-Inch OD Compression x 1/2-Inch Slip Joint Supply valve adapter Lead free rough brass Lead free approved product in all states Used to add a water line to a single outlet supply valve 3/8 inch compression x 3/8 inch compression x 1/2 inch slip joint